Reviewers may have received a benefit, like a sweepstakes entry or rewards program points, in exchange for writing a review.
Those benefits were not conditioned on the positive or negative content of the review.
I'm weary of store brands. I use Clorox, that's the best, well this is tied for 1st place in my book. Is not watered down like other store brands. Really a contender and I have purchased this many many many times.